Power Hungry

Several readers have asked me where they can get Energizer's Energi To Go chargers. Here's the deal: only the cell-phone chargers are on sale right now. Energizer originally planned to put the audio and gaming packs on retail shelves this month, at the same time as the cell-phone chargers, but the company says the launch has been postponed. Energizer's trying to enhance the efficiency of those packs so they will be smaller and require fewer batteries, a spokesperson said. The company hasn't announced a new launch date. As for the cell-phone chargers, here's a list of where you can buy them.